Zalim Bashorov
40 lines
1.4 KiB
JavaScript
Vendored
40 lines
1.4 KiB
JavaScript
Vendored
/*
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* Copyright 2010-2017 JetBrains s.r.o.
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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(function() {
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function normalizeOffset(offset, length) {
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if (offset < 0) return Math.max(0, offset + length);
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return Math.min(offset, length);
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}
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function typedArraySlice(begin, end) {
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if (typeof end === "undefined") {
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end = this.length;
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}
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begin = normalizeOffset(begin || 0, this.length);
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end = Math.max(begin, normalizeOffset(end, this.length));
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return new this.constructor(this.subarray(begin, end));
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}
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var arrays = [Int8Array, Int16Array, Uint16Array, Int32Array, Float32Array, Float64Array];
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for (var i = 0; i < arrays.length; ++i) {
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var TypedArray = arrays[i];
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if (typeof TypedArray.prototype.slice === "undefined") {
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Object.defineProperty(TypedArray.prototype, 'slice', {
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value: typedArraySlice
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});
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}
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}
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})(); |